/*

    Copyright David Abrahams 2003-2004
    Copyright Aleksey Gurtovoy 2003-2004

    Distributed under the Boost Software License, Version 1.0. 
    (See accompanying file LICENSE_1_0.txt or copy at 
    http://www.boost.org/LICENSE_1_0.txt)
            
    This file was automatically extracted from the source of 
    "C++ Template Metaprogramming", by David Abrahams and 
    Aleksey Gurtovoy.

    It was built successfully with GCC 3.4.2 on Windows using
    the following command: 

        g++ -I..\..\boost_1_32_0 -c -o%TEMP%\metaprogram-chapter6-example17.o example17.cpp
        

*/
#include <boost/mpl/min_element.hpp>
#include <boost/mpl/less.hpp>
#include <boost/mpl/sizeof.hpp>
#include <boost/type_traits/is_same.hpp>
#include <boost/mpl/vector.hpp>

#include <boost/mpl/placeholders.hpp>
#include <boost/mpl/assert.hpp>
#include <boost/static_assert.hpp>
namespace mpl = boost::mpl;
using namespace mpl::placeholders;



  template <class S>
  struct smallest
    : mpl::min_element<
          S, mpl::less<mpl::sizeof_<_1>,mpl::sizeof_<_2> >
      >::type
  {};

BOOST_STATIC_ASSERT((
    boost::is_same<
        smallest< mpl::vector<int[2], char, double&> >::type
      , char
    >::value
));
